Home/CVE/A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to access sensitive inf
CVE

CVE-2021-1546

A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to access sensitive inf

A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to access sensitive information. This vulnerability is due to improper protections on file access through the CLI. An attacker could exploit this vulnerability by running a CLI command that targets an arbitrary file on the local system.

A successful exploit could allow the attacker to return portions of an arbitrary file, possibly resulting in the disclosure of sensitive information.

MEDIUM · CVSS 5.5 EPSS 0.00154
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0

Affected Products & Versions

33
cisco catalyst sd-wan manager>= 18.4 and < 20.4.2
cisco catalyst sd-wan manager>= 20.6 and < 20.6.1
cisco sd-wan vmanage>= 20.5 and < 20.5.2

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · psirt@cisco.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Sep 2021 · 03:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

Vendor Advisories

1
cisco-csafcisco-sa-sd-wan-Fhqh8pKX
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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